Open-source AI pair programming in your terminal, git-aware.
Coding agentsopen-source
OC
OpenAI Codex
OpenAI Codex: OpenAI's coding agent, available as CLI, IDE extension and cloud. It ranks #2 in Best terminal/CLI coding agent.
Visit OpenAI Codex ↗ StackRank may earn from some outbound links. Disclosure
Updated Oct 14, 2026
Score breakdown
| Criterion | Score |
|---|---|
| Output quality for the task | Not yet benchmarked |
| Cost at hobby scale | Not yet benchmarked |
| Lock-in / export | Not yet benchmarked |
| Integrations | Not yet benchmarked |
| Momentum | Not yet benchmarked |
Scores are published only after testing. How we rank.
Pricing
Pricing model: paid. See vendor pricing page; StackRank does not list prices until verified.
Pros and cons
Pros
- Supports MCP
- Has a CLI
Cons
- Not self-hostable (or not listed)
- No free plan listed
Pros and cons are drawn only from verified facts on this page.
Key facts
| Category | Coding agents |
|---|---|
| Integrations | CLI, VSCode, MCP |
| Self-hostable | No / not listed |
| Repository | openai/codex |
| Last verified | Oct 14, 2026 |
Ranked in
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